1341043621 has 16 divisors (see below), whose sum is σ = 1406845440. Its totient is φ = 1276974720.

The previous prime is 1341043619. The next prime is 1341043631. The reversal of 1341043621 is 1263401431.

It is a cyclic number.

It is not a de Polignac number, because 1341043621 - 2¹ = 1341043619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341043631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937735 + ... + 939163.

It is an arithmetic number, because the mean of its divisors is an integer number (87927840).

Almost surely, 2^1341043621 is an apocalyptic number.

It is an amenable number.

1341043621 is a deficient number, since it is larger than the sum of its proper divisors (65801819).

1341043621 is a wasteful number, since it uses less digits than its factorization.

1341043621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1341043621 is about 36620.2624376178. The cubic root of 1341043621 is about 1102.7599073239.

The spelling of 1341043621 in words is "one billion, three hundred forty-one million, forty-three thousand, six hundred twenty-one".